Computer · Water Supply Engineering
जल उपचार के दौरान रैपिड सैंड या मल्टीमीडिया फिल्टर में फिल्टर मीडिया के रूप में आमतौर पर निम्नलिखित में से किस सामग्री का उपयोग नहीं किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1एंथ्रेसाइट कोयला (Anthracite coal)
- 2सिलिका रेत (Silica sand)
- 3कुचली हुई चट्टान (Crushed rock)✓
- 4गारनेट रेत (Garnet sand)
सही उत्तर देखें
कुचली हुई चट्टान (Crushed rock)
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